Finding the Fourth Proportional to 5,392.96, 8,099.16 and 5,146.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,392.96 : 8,099.16 = 5,146.72 : x
2. Step 2: Convert to fraction form
   5,392.96/8,099.16 = 5,146.72/x
3. Step 3: Cross multiply
   5,392.96x = 8,099.16 × 5,146.72
4. Step 4: Simplify right side
   5,392.96x = 41,684,108.76
5. Step 5: Solve for x
   x = 41,684,108.76/5,392.96
6. Step 6: Final answer
   x = 7,729.36